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How long do stainless steel nails last ?

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Phone Number : 86-13656834555

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How long do stainless steel nails last ?

July 3, 2025

Stainless steel nails can last decades (20+ years) indoors and 10–20 years outdoors, depending on the grade (316 is best for salty/moist environments). In harsh conditions, they may last 5–15 years, while medical-grade implants can endure indefinitely. Proper maintenance and avoiding damage to the protective layer maximize longevity.

  1. 304: General-purpose (18% Cr, 8% Ni), good corrosion resistance for indoor/dry environments. Cost-effective but weaker against saltwater.

  2. 316: Premium grade (18% Cr, 10-14% Ni + 2-3% Mo), excels in marine/chemical environments. Used in medical implants (316L).

  3. 410: Martensitic (11-13% Cr), high hardness but lower corrosion resistance. Needs heat treatment.

  4. 430: Ferritic (16-18% Cr), budget option with moderate rust resistance.